Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4610986 | Aminonaphthacene derivatives and their production | Kikuo Ishizumi, Michihisa Muramatsu, Norihiko Tanno, Hiromi Sato | 1986-09-09 |
| 4545936 | Novel aminonaphthacene derivatives and process for preparation thereof | Kikuo Ishizumi, Michihisa Muramatsu, Hiromi Sato, Norihiko Tanno | 1985-10-08 |
| 4464531 | 4-Carbamoylimidazolium-5-olate derivatives | Toshio Atsumi, Yuzo Tarumi, Tetsutaro Sanjiki, Yoshiaki Takebayashi | 1984-08-07 |
| 4218457 | 2-Substituted 5-hydroxy-1H-imidazole-4-carboxamide derivatives and use | Toshio Atsumi, Yuzo Tarumi | 1980-08-19 |
| 4209507 | Novel anti-tumor substance and preparation thereof | Shigeo Ogino, Takao Kiyohara | 1980-06-24 |
| 4181731 | Novel therapeutic application of 4-carbamoyl-5-hydroxyimidazole | Takao Kiyohara, Shigeo Ogino | 1980-01-01 |